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Level 7

Loopback disable on switchport connected to McAfee 2950

We have had three different switchport disable instances in unique locations over the past three days.

All 2950's connect to a Cisco 3750 on port 8B and to a firewall on port 8A.

The switchports are going error disabled with a loopback alert.

I have already opened a case with McAfee tech, but wanted to ask if anyone in this community had

seen this behavoir previously or might have a clue why the sensors, whcih have been running fine for months,

are now sending the port keep-alive back at it.

I have checked the Cisco side, and all switches are running a version in whcihc the prviously know loopbakc bug is fixed.

Any ideas are welcom.


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